Hello friends,

How can I avoid Google penalties?

Be Genuine on google
that's why you can avoid Google penalties

Follow google algorithms rules and you will be safe from any google penalty.

Some following ways to avoid google penalties are:
Don't Stuff Keywords:The Old School Sith lords of Dark Side SEO once thought that the best way to get Google to pay attention to their website was to include the keyword in the content as much as possible.
Check Backlinks:One way to ensure that your site doesn't get penalized is to regularly check your backlinks to make sure that you're not receiving bad link juice from sites that are known for spam.

On the off chance that your site gets the greater part of its movement from Google, you presumably recoil with fear at whatever point
you hear that Google has discharged a calculation refresh. They've been known to pulverize activity
what's more, at last, whole organizations.

Just follow all google protocols and then there would be no google penalties for you.
Types of penalties include
Manual penalties or SPAM actions
Algorithmic penalties
Monitor your link profile

You must be aware from Google's guidelines and be natural by not deceiving the visitors and the search engines.